fix: compose named cockpit modes from capabilities

src/cognitive_agent/server.py

@@ -486,6 +486,9 @@ class SeatDemoHandler(BaseHTTPRequestHandler):
         if path.startswith("/api/self-repair/"):
             self._handle_self_repair_post(path)
             return
+        if path == "/api/mode-profile-drafts/trial":
+            self._handle_mode_profile_draft_trial()
+            return
         if path == "/api/mode-profiles" or path.startswith("/api/mode-profiles/"):
             self._handle_mode_profile_post(path)
             return
@@ -1201,6 +1204,29 @@ class SeatDemoHandler(BaseHTTPRequestHandler):
         """Route IR-only or mixed IR/CAN requests without changing CAN parsing."""
 
         utterance = str(common_arguments.get("utterance") or "").strip()
+        if self.service.is_mode_profile_configuration_request(utterance):
+            # Creating, saving, updating, or restoring a reusable mode is
+            # configuration, never a live-control command. Bypass the
+            # NFC/peripheral executor so a learned device name embedded in the
+            # mode sentence cannot claim it before SeatDemoService handles it.
+            mode_arguments = {
+                **common_arguments,
+                "execution_mode": "dry_run",
+            }
+            callback = (
+                on_commands_validated
+                if callable(on_commands_validated)
+                else None
+            )
+            if path == "/api/requests/preview":
+                return self.service.preview_native_can(
+                    **mode_arguments,
+                    on_commands_validated=callback,
+                )
+            return self.service.process(
+                **mode_arguments,
+                _on_commands_validated=callback,
+            )
         catalog = self.extension.list_peripheral_capabilities()
         nfc_snapshot = self.nfc.snapshot()
         partition = partition_active_peripheral_intent(
@@ -2003,6 +2029,22 @@ class SeatDemoHandler(BaseHTTPRequestHandler):
                 HTTPStatus.BAD_REQUEST,
             )
 
+    def _handle_mode_profile_draft_trial(self) -> None:
+        try:
+            payload = self._read_json_body(max_bytes=16 * 1024)
+            result = self.service.trial_mode_profile_draft(
+                str(payload.get("name", "")),
+                str(payload.get("instruction", "")),
+                str(payload.get("source_request_id", "")),
+                str(payload.get("vehicle_id", "")) or None,
+            )
+            self._json(result, HTTPStatus.OK)
+        except (ValueError, json.JSONDecodeError) as exc:
+            self._json(
+                {"error": "invalid_request", "message": str(exc)},
+                HTTPStatus.BAD_REQUEST,
+            )
+
     def _saved_mode_infrared_entries(
         self,
         profile: object,